Pipelines crossing rivers, swamps and marine areas that consist of sandy soils with low or zero shear strength will experience a lifting effect if the pipeline is subjected to movement or vibration. Considerable knowledge is available concerning marine pipelines that encounter liquefaction of backfill as a result of earthquakes or wave action. This liquefaction effect can cause pipelines to rise in the backfill when sufficient hold-down is not provided. However this paper pertains to river crossings consisting of sand, and provides a summary of tests conducted to determine the effects of vibration on the stability of pipelines with various specific gravities in granular sand.


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    Title :

    Vibrating marine pipelines in pure sand


    Additional title:

    Schwingungsbeanspruchte Rohrleitungen in reinem Sand am Meeresboden


    Contributors:
    Webb, B. (author)


    Publication date :

    1987


    Size :

    6 Seiten, 8 Bilder


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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